Wacker Neuson 5100011657 Washer — Genuine OEM for RD18, RD40 & RD45 Series Tandem Rollers

The Wacker Neuson Washer is a genuine OEM replacement built for the RD18-80, RD18-100, RD18-100 C, RD40-130 C, and RD45-140 C series tandem and vibration rollers. Sourced directly from Wacker Neuson, this washer matches the exact dimensions, material grade, and tolerancing specified for these machines — so it seats and functions exactly as the original did. Fitment extends across a broad range of RD18, RD40, and RD45 variants including DPF-equipped models and US-market configurations. When you order by part number, you're getting the right part for the application, with no guesswork on fit or spec.

Key Features

• OEM-Grade Material and Tolerancing — Manufactured to Wacker Neuson's dimensional specifications, ensuring the washer maintains correct load distribution and surface contact under compaction machine operating stresses.
• Drop-In Replacement — Seats directly into the existing hardware assembly with no reworking of mounting hardware or adjacent components required.
• Wide RD-Series Fitment — Compatible with RD18-80, RD18-100, RD18-100 C, RD40-130 C, and RD45-140 C tandem rollers across standard, US-market, SE, DPF, and .3-revision variants.
• Protects Mating Surfaces — A correctly spec'd washer prevents fastener pull-through, distributes clamping load evenly, and protects the surrounding components from wear caused by an undersized or worn-out washer.
• Genuine Wacker Neuson Part — Carries full OEM traceability, so the part on your machine is the same one Wacker Neuson engineers designed the assembly around.

A washer may be a small component, but it plays a critical role in any bolted assembly — distributing the clamping force of a fastener across a wider surface area to prevent damage to the material underneath and keep the joint securely torqued. On compaction equipment like tandem rollers, where vibration and dynamic load are constant, an improperly sized or worn washer can lead to fastener loosening, surface damage to housings or brackets, and eventual joint failure. Replacing a worn washer with the correct OEM part maintains the integrity of the fastened assembly and prevents more costly damage to surrounding components over time.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.